refactor: remove old initLogCmd and integrate new log command structure

Remove the old initLogCmd function from commands.go and update cli.go
to use the new InitLogCmd function from commands_log.go. Complete
the log command refactoring by adding the missing InitLogCmd function
with proper command structure and error handling.

cmd/cli/cli.go

@@ -138,7 +138,7 @@ func initCLI() {
 	initServicesCmd(startCmd, stopCmd, restartCmd, reloadCmd, statusCmd, uninstallCmd, interfacesCmd)
 	initClientsCmd()
 	initUpgradeCmd()
-	initLogCmd()
+	InitLogCmd()
 }
 
 // isMobile reports whether the current OS is a mobile platform.